<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="文件名" prop="articleTitle">
        <el-input
          v-model="queryParams.articleTitle"
          placeholder="请输入文件名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类型" prop="articleTypeId">
        <el-select
          v-model="queryParams.articleTypeId"
          placeholder="文章类型"
          clearable
        >
          <el-option
            v-for="dict in dict.type.article_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:notice:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:notice:remove']"
          >删除</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="noticeList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column
        label="序号"
        align="center"
        prop="fileContentId"
        width="10px"
      />
      <el-table-column
        label="文件名"
        align="center"
        prop="fileName"
        :show-overflow-tooltip="true"
      />
      <el-table-column
        label="文件类型"
        align="center"
        prop="fileTypeName"
        width="80px"
      >
        <template slot-scope="scope">
          <dict-tag
            :options="dict.type.file_type"
            :value="scope.row.fileTypeName"
          />
        </template>
      </el-table-column>
      <el-table-column label="文件路径" align="center" prop="filePath" />
      <el-table-column label="文件大小" align="center" prop="fileSize" />
      <el-table-column label="下载次数" align="center" prop="dowNum" />
      <el-table-column label="阅读数" align="center" prop="readNum" />
      <el-table-column label="积分数" align="center" prop="integralNum" />

      <el-table-column label="创建时间" align="center" prop="createTime">
      </el-table-column>
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:notice:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:notice:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改公告对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="780px"
      append-to-body
      :fullscreen="true"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="文件名" prop="fileName">
              <el-input v-model="form.fileName" placeholder="请输文件名" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="文件类型" prop="fileTypeName">
              <el-select
                v-model="form.fileTypeName"
                placeholder="请选择文件类型"
              >
                <el-option
                  v-for="dict in dict.type.file_type"
                  :key="dict.label"
                  :label="dict.label"
                  :value="dict.label"
                ></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="积分" prop="fileName">
              <el-input v-model="form.integralNum" placeholder="请输积分" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="上传附件">
              <el-upload
                class="upload-demo"
                ref="upload"
                :action="uploadUrl"
                :headers="headers"
                :multiple="true"
                :limit="1"
                :before-upload="handleBeforeUpload"
                :on-success="onSuccess"
                :on-preview="handlePreview"
                :on-remove="handleRemove"
                :file-list="form.articleContentFile"
                :auto-upload="false"
              >
                <el-button slot="trigger" size="small" type="primary"
                  >选取文件</el-button
                >
                <el-button
                  style="margin-left: 10px"
                  size="small"
                  type="success"
                  @click="submitUpload"
                  >上传到服务器</el-button
                >
                <div slot="tip" class="el-upload__tip">
                  文件不超过100MB,最多1个文件
                </div>
              </el-upload>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="上传预览页">
              <el-upload
                :action="uploadUrl"
                list-type="picture-card"
                :headers="headers"
                :before-upload="handleBeforeUpload2"
                :on-success="onSuccess2"
                :on-preview="handlePreview2"
                :on-remove="handleRemove2"
                :limit="5"
                :multiple="true"
                :file-list="fileImageList"
              >
                <i class="el-icon-plus"></i>
              </el-upload>
              <el-dialog :visible.sync="dialogVisible">
                <img width="100%" :src="dialogImageUrl" alt="" />
              </el-dialog>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>
    
  <script>
import { queryList, save, update, getInfo } from "@/api/file/index";
import { getDicts } from "@/api/system/dict/data";
import { rmSync } from "fs";
import { getToken } from "@/utils/auth";
import { randomUUID } from "crypto";
export default {
  name: "Notice",
  dicts: ["file_type"],
  data() {
    return {
      uploadUrl: process.env.VUE_APP_BASE_API + "/common/upload", // 上传的图片服务器地址
      headers: {
        Authorization: "Bearer " + getToken(),
      },
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 公告表格数据
      noticeList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        noticeTitle: undefined,
        createBy: undefined,
        status: undefined,
      },
      // 表单参数
      form: {
        fileName: "",
        filePath: "",
        fileSize: "",
        fileTypeName: "JAVA",
        articleContentFile: [],
        fileImage: "",
      },
      // 表单校验
      rules: {
        fileName: [
          { required: true, message: "文件名不能为空", trigger: "blur" },
          {
            min: 3,
            max: 50,
            message: "长度在 3 到 50 个字符",
            trigger: "blur",
          },
        ],
        fileTypeName: [
          { required: true, message: "文件类型不能为空", trigger: "change" },
        ],
      },
      fileSize: 500,
      dialogImageUrl: "",
      dialogVisible: false,
      fileImageList: [],
    };
  },
  created() {
    this.getList();
  },
  methods: {
    // 上传前校检格式和大小
    handleBeforeUpload(file) {
      // 校检文件大小
      if (this.fileSize) {
        const isLt = file.size / 1024 / 1024 < this.fileSize;
        if (!isLt) {
          this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`);
          return false;
        }
      }
      return true;
    },
    // 上传前校检格式和大小
    handleBeforeUpload2(file) {
      // 校检文件大小
      if (this.fileSize) {
        const isLt = file.size / 1024 / 1024 < this.fileSize;
        if (!isLt) {
          this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`);
          return false;
        }
      }
      return true;
    },
    //上传成功
    onSuccess(response, file, fileList) {
      this.form.filePath = response.url;
      let size = Math.ceil(file.size / 1024 / 1024);
      this.form.fileSize = size + "MB";
      this.form.fileName = response.originalFilename;
    },
    //图片地址
    onSuccess2(response, file, fileList) {
      for (var item of fileList) {
        console.log(item);
        if (this.fileImageList.indexOf(item.response.url) == -1) {
          this.fileImageList.push(item.response.url);
        }
      }
      this.form.fileImage = this.fileImageList.join(",");
    },
    submitUpload() {
      this.$refs.upload.submit();
    },
    handleRemove(file, fileList) {
    },
    handleRemove2(file, fileList) {
      let arr = this.fileImageList;
      arr = arr.filter((item) => item != file.response.url);
      this.fileImageList = arr;
      this.form.fileImage = this.fileImageList.join(",");
    },
    handlePreview(file) {},
    handlePreview2(file) {
      this.dialogImageUrl = file.url;
      this.dialogVisible = true;
    },
    getList() {
      this.loading = true;
      queryList(this.queryParams).then((response) => {
        this.noticeList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        fileContentId: undefined,
        fileName: undefined,
        filePath: undefined,
        fileTypeName: undefined,
        fileImageList: [],
        articleContentFile: [],
        fileImage: "",
      };
      this.dialogImageUrl = "";
      this.fileImageList = [];

      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.articleContentId);
      this.single = selection.length != 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文件";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      getInfo({
        fileContentId: row.fileContentId,
      }).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文件";
        console.log(response);
        let fileList = [];
        fileList.push({
          name: response.data.fileName,
        });
        this.form.articleContentFile = fileList;

        response.data.fileImage.split(",").forEach((e) => {
          let fileImage = {
            name: randomUUID + ".png",
            url: e,
          };
          this.fileImageList.push(fileImage);
        });
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.fileContentId != undefined) {
            update(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            save(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const articleContentId = row.articleContentId || this.ids;
      let params = {
        articleContentId: row.articleContentId,
        articleStatus: -1,
      };
      this.$modal
        .confirm("是否确认删除")
        .then(function () {
          return update(JSON.stringify(params));
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
  },
};
</script>
    